 /*******************************************************************************
  * Copyright (c) 2003, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.osgi.internal.resolver;

 import org.eclipse.osgi.service.resolver.*;

 public abstract class VersionConstraintImpl implements VersionConstraint {
     private String name;
     private VersionRange versionRange;
     private BundleDescription bundle;
     private BaseDescription supplier;

     public String getName() {
         return name;
     }

     public VersionRange getVersionRange() {
         if (versionRange == null)
             return VersionRange.emptyRange;
         return versionRange;
     }

     public BundleDescription getBundle() {
         return bundle;
     }

     public boolean isResolved() {
         return supplier != null;
     }

     public BaseDescription getSupplier() {
         return supplier;
     }

     public boolean isSatisfiedBy(BaseDescription supplier) {
         return false;
     }
     protected void setName(String name) {
         this.name = name;
     }

     protected void setVersionRange(VersionRange versionRange) {
         this.versionRange = versionRange;
     }

     protected void setBundle(BundleDescription bundle) {
         this.bundle = bundle;
     }

     protected void setSupplier(BaseDescription supplier) {
         this.supplier = supplier;
     }
 }

